When balling a sewer line that contains a great deal of debris and slime, why should a sand trap be used?
In collection system maintenance, what is a pig?
A positive displacement pump uses a ___ instead of a piston and a ___ instead of ball check valves.
Calculate the per capital production of wastewater from a population of 85,000 people, with each person contributing 1.5 MGD of wastewater.
____ can be enclosed, open, or semi-open.
What information is required to be a lock out switch with a warning tag?
Where would casing wear rings be installed?
What could be a cause for a a pump to deliver less than expected rate of discharge?
The 15′ diameter wet well has 11′ of water inside. How many gallons of water is in the wet well?
2.5 cuft/sec of flow is equal to ___ gpm?
